355 



obtusae, 2-5-4 mm. loBgae, 1-1-5 mm. latae, virides, utrinque 



punctatae, interdum parce pubescentes; bracteae series interioris 

 supra medium in tubum campanulatum connatae; tubus 1-5 mm. 

 longus, extra parce puberulus; lobi oblongo-lauceolati, subacuti, 

 2 mm. longi, 1 mm. lati, extra longe pubescentes, ciliati. Flores 

 rubri, circiter 20, Corollae tubus clavatus, basi cylindricus, 

 superne ampliatus, 1-75 mm. longus; lobi triangulari-lanceolati, 

 subacuti, extra glandulosi. Antherae basi sagittatae, 1 mm. 

 longae, apice subacutae. Styli rami pubescentes. Achaenia 

 4l mm. longa, 1-25 nrm, lata, prominenter 4-angulata, glabra. 

 Pappi setae breviores 0*75 mm. longae, longiores 1-5 mm. longae, 

 albae. 



Senegambia : on tbe banks of tbe Senegal River, Perrottet ! 

 Lelievrel ^€h\,. Chevalier 1165! Gold Coast: Aburi (?), Ander- 

 son ;^8! banks of tlie Black Volta River, near Bjury, July, Chipp 

 506 ! Nigeria : Yola, in a marsli, May, Dalziel 37 I Aboh, Barter 

 308! 



var. villosa, DC. I.e. Folia j^ili^ albis appressis densissime 

 villosa. 



Senegambia : witbout precise locality, Perrottet \ 



De Candolle's varieties, leptorliiza, adscendens and multicautis, 



seem to me to be merely various stages of growth dependent on 



habitat. 



2. H. lancifolia, 0. Hoffm. apud Dur. et De Wild, in Bull. 

 Soc. Bot. Belg. xl. 22 (1901). 



Herhacea^ annua, caule 0-5 m. alto sulcato glabro inferne 

 simplice, superne in ramos paucos bracteatos monocephalos diviso 

 folioso. Folia satis conferta, sessilia, lanceolata, acutissima, basi 

 obtusa, intermedia usque ad 2 cm. longa et 4 mm. lata, inferiora 

 et superiora minora, ramea bracteiformia remota, tantum sub 

 capitulo crebriora, trinervia, glabra. Capltula multiflora, pedun- 

 culata, 7 mm. alta, 12 mm. diametro, pedunculis sub apice 

 bracteis in squamas involucri transuentibus munitxs. Involucrum 

 latum, squamis [pluriseriatis .^] lanceolatis acutis corollas aequan- 

 tibus. Corollae tubus puberulus; lobi lineares, glabri. Achaenia 



f)ilosa. Pappi paleae biseriatae, paleis exterioribus 5 latis irregu- 

 ariter dentatis, interioribus alternantibus aequilongis angustis 

 lanceolatis acutis fere setiformibus. — Species p^ppo regulariter 

 biseriale a typo generis nonniliil recedit. 



Belgian Congo: Upper Marangu, Jan., Debeerst 87. 

 I have not seen an example of this species, but from Hoffmann's 

 description, which is reproduced above with a few modifications 

 for facility in comparison, I have no reason to doubt that the 

 plant is a true Herderia, 



Triplotaxis, Hutchinson, gen. nov., ob pappum cupularem 

 pectinatum inter Yernonieas distinctissimum. 



Capltula homogama, tubuliflora. Imvolucrum subcampanula- 

 tum, e bracteis triseriatis linearibus omnibus inter se liberis con- 

 stitutum. Receptaculum planum, nudum. Corollae aequales, 

 regulares, tubo superne sensim ampliato glanduloso, limbo 

 5-lobato. Antherae basi sagittatae. Styli rami lineares, obtusi, 

 pilosi. Achaenia teretia, apice truncata, pilosa. Pappus cupu- 



A 2 



